Biotech ETFs to be Tested by Technicals

The iShares Nasdaq Biotechnology ETF (NASDAQGM: IBB), the largest biotech ETF by assets, is trying to shake out of a fourth-quarter slump. IBB is sporting a fourth-quarter loss of about 7%, a slide that means the benchmark biotech ETF is now trailing the S&P 500 on a year-to-date basis....